All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info

Home > Numbers
Queue weight possibilities 2. (Posted on 2007-05-23) Difficulty: 4 of 5
When a problem is being voted on in the Perplexus queue, the journeymen and scholars post comments and vote on the problem. A "thumbs up" (TU) scores +1 point, a "thumbs down" (TD) scores -1, and a comment with no vote scores 0.

Part one of this problem, which deals with combinations of TU and TD votes can be found here.

Suppose a problem in the queue has A responses and a score of B. Find a formula that gives the number of possible permutations of TU's, TD's and nonvoting comments the problem has received.

Note: For example a problem with 3 responses and a score of +1 has six possibilities:
{+1,0,0}
{0,+1,0}
{0,0,+1}
{+1,+1,-1}
{+1,-1,+1}
{-1,+1,+1}

See The Solution Submitted by Jer    
Rating: 3.0000 (1 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
re(2): solution -- recurrencesCharlie2007-05-23 16:00:10
re: solution -- recurrencesCharlie2007-05-23 15:46:24
SolutionsolutionCharlie2007-05-23 15:40:13
Please log in:
Login:
Password:
Remember me:
Sign up! | Forgot password


Search:
Search body:
Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (8)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:
Copyright © 2002 - 2024 by Animus Pactum Consulting. All rights reserved. Privacy Information